package com.chen.naisimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitConfig {

    /**
     * 使用JSON序列化机制,进行消息转换
     * @return
     */
    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }


    //@RabbitListener(queues = "stock.release.stock.queue")
    public void handle(Message message){}

    @Bean
    public Exchange stockEventExchange(){
        //(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        TopicExchange topicExchange = new TopicExchange("stock-event-exchange",true,false );
        return topicExchange;
    }

    @Bean
    public Queue stockReleaseStockQueue(){
        //String name, boolean durable, boolean exclusive, boolean autoDelete,@Nullable Map<String, Object> arguments)

        return new Queue("stock.release.stock.queue",true,false,false);
    }


    @Bean
    public Queue stockDelayQueue(){
        /**
         * x-dead-letter-exchange:order-event-exchange
         * x-dead-letter-routing-key:order.release-order
         * x-message-ttl:60000
         */
        Map<String,Object> args = new HashMap<>();
        args.put("x-dead-letter-exchange","stock-event-exchange");
        args.put("x-dead-letter-routing-key","stock.release");
        args.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,args);
    }

    @Bean
    public Binding stockReleaseBinding(){
        //String destination, DestinationType destinationType, String exchange, String routingKey,@Nullable Map<String, Object> arguments)
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
    }

    @Bean
    public Binding stockLockedBinding(){
        return new Binding("stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",
                null);
    }



}
